Help! is this engine on time? (Pics)
Thread Starter
Super Member
Joined: May 2011
Posts: 966
Likes: 268
From: Fort Worth TX
2020 S560, 2014 SLK55 (Prev. 2016 S65, 2013 SLK350, 2008 CLS63, 2006 E350, 2006 CLS500, 2005 C230K)
Help! is this engine on time? (Pics)
Finally got around to changing the chain on my C230, the job turned into something more dificult than expected as the chain skip while drawing in the new chain and I broke a 75 dll bolt when removing the front head cover
With all this behind me I just wanted to make sure I set the timing right and who better to ask than you guys
Pics attached
Thnx!
With all this behind me I just wanted to make sure I set the timing right and who better to ask than you guys
Pics attached
Thnx!
Thread Starter
Super Member
Joined: May 2011
Posts: 966
Likes: 268
From: Fort Worth TX
2020 S560, 2014 SLK55 (Prev. 2016 S65, 2013 SLK350, 2008 CLS63, 2006 E350, 2006 CLS500, 2005 C230K)
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Joined: Jun 2011
Posts: 264
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From: Lumberton, TX
2009 ML350, 2007 GL450, 1963 GMC, BMW 325i
If I remember right, I thought there was some small engraved triangles on the back of the cam sprockets to line up with the marks on the cam cradle/cage housing.
Thread Starter
Super Member
Joined: May 2011
Posts: 966
Likes: 268
From: Fort Worth TX
2020 S560, 2014 SLK55 (Prev. 2016 S65, 2013 SLK350, 2008 CLS63, 2006 E350, 2006 CLS500, 2005 C230K)
I didn't see any arrows on the back of the camshaft adjusters.
I have the instructions but they are not perfectly clear for me. The document reads:
"The cams of the inlet and exhaust
camshaft at cylinder 1 must be positioned
upright at an angle (arrows, picture 2)."
What does this mean??
And later reads:
"The markings on camshaft adjusters (3) (red on attached picture?)
must be aligned with markings (B) (green?) at
camshaft bearing housing (arrows, picture 1).
...
The camshaft adjusters (3) require no
particular adjustment, as they automatically
take on a basic position to the camshafts
when engine is vertical."
What I did or thought I did was to align the arrows (green in attached picture) to the grove on the top of the camshaft adjuster (red).
The document pictures show other lines (yellow, orange, blue) are those supposed to be in some position as well?
I have the instructions but they are not perfectly clear for me. The document reads:
"The cams of the inlet and exhaust
camshaft at cylinder 1 must be positioned
upright at an angle (arrows, picture 2)."
What does this mean??
And later reads:
"The markings on camshaft adjusters (3) (red on attached picture?)
must be aligned with markings (B) (green?) at
camshaft bearing housing (arrows, picture 1).
...
The camshaft adjusters (3) require no
particular adjustment, as they automatically
take on a basic position to the camshafts
when engine is vertical."
What I did or thought I did was to align the arrows (green in attached picture) to the grove on the top of the camshaft adjuster (red).
The document pictures show other lines (yellow, orange, blue) are those supposed to be in some position as well?
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Thread Starter
Super Member
Joined: May 2011
Posts: 966
Likes: 268
From: Fort Worth TX
2020 S560, 2014 SLK55 (Prev. 2016 S65, 2013 SLK350, 2008 CLS63, 2006 E350, 2006 CLS500, 2005 C230K)
Apparently before failure the chain hits the timing case making noise at start up. At that point it is imperial you fix the issue as ignoring it will result in new-refurb head being needed.
I changed it before symptoms as I do not normally drive that car to rely on hearing the noise.
I changed it before symptoms as I do not normally drive that car to rely on hearing the noise.
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Joined: Sep 2010
Posts: 1,434
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From: Raleigh, NC
2005 C230K, 2019 Honda CR-V, '74 Lotus Europa
There doesn't seem to be a consistent mileage where they go bad. Some go early and others seem to last forever (at least from my experience on this forum).
Hogger had a good write up about it here: https://mbworld.org/forums/c-class-w...ine-apart.html
Hogger had a good write up about it here: https://mbworld.org/forums/c-class-w...ine-apart.html
Thread Starter
Super Member
Joined: May 2011
Posts: 966
Likes: 268
From: Fort Worth TX
2020 S560, 2014 SLK55 (Prev. 2016 S65, 2013 SLK350, 2008 CLS63, 2006 E350, 2006 CLS500, 2005 C230K)
Yes, spark plugs are removed and it spins by hand without interference.
Thanks ambit!
sammydragon3 got the paranoid in me running, I was worried the adjusters were not correctly positioned.
I'm gonna be closing it up tomorrow and post back.
Thanks ambit!
sammydragon3 got the paranoid in me running, I was worried the adjusters were not correctly positioned.
I'm gonna be closing it up tomorrow and post back.
Thread Starter
Super Member
Joined: May 2011
Posts: 966
Likes: 268
From: Fort Worth TX
2020 S560, 2014 SLK55 (Prev. 2016 S65, 2013 SLK350, 2008 CLS63, 2006 E350, 2006 CLS500, 2005 C230K)
And it does not start...
Finally had time to put it back together, and it won't start.
Car cranks but it seems as there is not spark or fuel in the cylinders.
ME control module reports "Intake camshaft hall sensor no signal" and "Intake camshaft hall sensor position implausible" faults, normally I would just buy the sensor but it was working just fine before.
Does anyone know if the car should run if the sensor is just unplugged?
Are these sensors particularly delicate? (I gave it no hard treatment, did not even remove it from the cover)
The cover gasket is new and I followed the 9 nm torque spec which is very little, this probably results in an increased clearance between the sensor and the camshaft, maybe I should try more torque?
Any information on exactly how the sensor works and how it is used for ignition would be highly valuable.
Btw I removed the cover after the start attempts and the timing is still like the pictures.
Last edited by VII; Apr 24, 2013 at 10:32 AM.
Thread Starter
Super Member
Joined: May 2011
Posts: 966
Likes: 268
From: Fort Worth TX
2020 S560, 2014 SLK55 (Prev. 2016 S65, 2013 SLK350, 2008 CLS63, 2006 E350, 2006 CLS500, 2005 C230K)
Yes sadly for me the battery had run low. Apparently the error is normal for an engine that does not start from what I read, no faults in ME after battery charge and start.
Car is back on the road for a long stint of repair free service I hope.
Car is back on the road for a long stint of repair free service I hope.
